Max-Amp Mobile RV - 5 Band Cellular Booster Kit Has a wide coverage area  No matter how large your RV, you wont have to deal with any dead zones. This RV cell phone booster easily covers a 53-foot RV. Offers multi-user support  You wont have to take turns accessing your Internet or making phone calls. Up to eight users at a time can simultaneously access the cell phone signal and experience the same performance. Has minimal antenna separation  You wont experience a significant drop in strength as you would with other units. Is compatible with present and future technology  It works on 4G/LTE, and it will work on upcoming LTE advance/5G technology. Works on multiple carriers simultaneously  Even if other users dont have the same cell phone carrier, they can all access the signal.